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Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).

Software & Operating SystemsProcess & Memory Management Basics

Best option for deadlock cause:

  1. A.Circular waitCorrect answer
  2. B.Starvation
  3. C.Fragmentation
  4. D.Thrashing

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Quick fact: Circular wait is one of the four necessary conditions for a deadlock to occur, where each process holds a resource and waits for a resource held by another process in a cyclic chain.

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